Looking for tips on viral marketing? Who better to get it from than Alex Blagg, whose A Bajillion Hits agency has become a meme of its own while netizens try to figure out whether it's satire or a serious social-media service. Blagg says high-quality content is the key to going viral. "You have to have killer content. You can't just put any kind of garbage out there and expect the Internet to engage with it," he says.